(19)
(11) EP 1 811 224 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
04.01.2012 Bulletin 2012/01

(43) Date of publication A2:
25.07.2007 Bulletin 2007/30

(21) Application number: 07250213.1

(22) Date of filing: 19.01.2007
(51) International Patent Classification (IPC): 
F17C 5/00(2006.01)
G05D 23/13(2006.01)
C01B 3/02(2006.01)
G05D 11/13(2006.01)
B01F 3/02(2006.01)
F17C 7/00(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK RS

(30) Priority: 20.01.2006 US 336218

(71) Applicant: AIR PRODUCTS AND CHEMICALS, INC.
Allentown, PA 18195-1501 (US)

(72) Inventors:
  • Cohen, Joseph Perry
    Bethlehem PA 18017 (US)
  • Heydorn, Edward Clyde
    Macungie PA 18062 (US)

(74) Representative: Hatt, Anna Louise 
Beck Greener Fulwood House 12 Fulwood Place
London WC1V 6HR
London WC1V 6HR (GB)

   


(54) Ramp rate blender


(57) Processes deliver a blend (21) of two or more compressed gas streams (1, 2) to a receiving vessel (27) at a preset ramp rate under pressure regulation control (21) in response to cumulative mass ratio when at least two of the streams have different compositions or instantaneous measured temperature when the streams have the same composition.







Search report